CN205792316U - Three phase alternating current motor star angle switch starter - Google Patents
Three phase alternating current motor star angle switch starter Download PDFInfo
- Publication number
- CN205792316U CN205792316U CN201620501350.0U CN201620501350U CN205792316U CN 205792316 U CN205792316 U CN 205792316U CN 201620501350 U CN201620501350 U CN 201620501350U CN 205792316 U CN205792316 U CN 205792316U
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- chopper
- driving lever
- star
- dropout
- corner connection
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Abstract
The utility model discloses a kind of three phase alternating current motor star angle switch starter, chopper and three group of three pole air-break of corner connection chopper is connect including master switch chopper, star, by a six types of severe debility disease drive shaft, master switch chopper and star are connect chopper to be concatenated, master switch chopper and star connect the outside of chopper and are provided with six types of severe debility disease co-acting lever, and master switch chopper and star connect and be not provided with dropout interlocking gear between chopper；Being together in series by corner connection chopper by three grades of drive shafts, the outside of corner connection chopper is provided with three pole co-acting levers；Star connects and is disposed with transducer between chopper and corner connection chopper；Six types of severe debility disease drive shaft one end is connected with main automatically controlled driver, and the other end controls being switched on or switched off of corner connection chopper by transducer；Three drive shaft one end, poles are connected with automatically controlled driver, and the other end controls star by transducer and connects being switched on or switched off of chopper.This utility model is arranged in pairs or groups by the simple combination of three groups of choppers and is realized the star angle conversion startup of three-phase alternating-current motor.
Description
Technical field
This utility model relates to three-phase alternating-current motor and starts with low-voltage (phase voltage), is turning with high voltage (line voltage)
Enter the automatic conversion technology run well.
Background technology
High-power three-phase alternating-current motor is 8-10 times of normal value to dynamic starting current from static state, in the moment meeting started
Periphery electrical equipment is impacted.Generally three windings to motor use the phase voltage of three-phase electricity to make reduced-voltage starting,
Starting current can be greatly reduced, when changing line voltage after rotor smooth running again into, maintain the normal operation of motor.For
Realizing above-mentioned purpose, the three-phase windings head and the tail wiring of motor is opened by the Electrical Engineer of specialty, accesses three groups of catalysts,
Controlling by the solenoid of three groups of catalysts carries out logic and sequential combination, first star connects corner connection again, completes whole startup
Journey.Complete unit needs three catalysts and the time relays etc..Expend substantial amounts of noble silver, copper material, silicon steel sheet etc.
Raw material, the space that solenoid itself also expends electric energy, the equipment that takies is a lot, owing to catalyst does not has circuit protection function,
Starter also needs to install chopper, and wiring is extremely complex.
Utility model content
The problem existed for prior art, this utility model provides a kind of three phase alternating current motor star angle switch starter, with three
The simple combination collocation of group chopper realizes the star angle conversion of three-phase alternating-current motor and starts.
In order to solve above-mentioned technical problem, a kind of three phase alternating current motor star angle switch starter that the utility model proposes, including
Three group of three pole air-break, described three group of three pole air-break is that master switch chopper, star connect chopper and corner connection respectively
Chopper；By a six types of severe debility disease drive shaft, described master switch chopper and described star are connect chopper to be concatenated, described master switch
Chopper and described star connect the outside of chopper and are provided with six types of severe debility disease co-acting lever, and described master switch chopper and described star connect open circuit
Dropout interlocking gear it is not provided with between device；By three grades of drive shafts, described corner connection chopper is together in series, described corner connection
The outside of chopper is provided with three pole co-acting levers；Described star connects and is disposed with transducer between chopper and described corner connection chopper；
One end of described six types of severe debility disease drive shaft is to the outside of described master switch chopper, and the other end of described six types of severe debility disease drive shaft is with described
The described first handle axis cam of converter inside connects；The side of one end of described three pole drive shafts extremely described corner connection chopper
Till, the other end of described three pole drive shafts is connected with the described second handle axis cam of described converter inside.
Further, this trigger also includes the automatically controlled driver of master being arranged on outside described master switch chopper and is arranged on institute
State the automatically controlled driver outside corner connection chopper；Rear and institute are stretched out from described master switch chopper in one end of described six types of severe debility disease drive shaft
State main automatically controlled driver to connect；One end of described three pole drive shafts is automatically controlled with described after stretching out from the outside of described corner connection chopper
Driver connects.
This utility model one three phase alternating current motor star angle switch starter, wherein, described six types of severe debility disease drive shaft and described three grades drive
Moving axis is square shaft；Described transducer includes that housing, described housing are divided into two levels, one of them layer in a thickness direction
The secondary side connecing chopper near described star, another level is near the side of described corner connection chopper；It is provided with in described housing
One handle axis cam, second handle axis cam, the first dropout driving lever and the second dropout driving lever；Described first handle axis cam and
The center of rotation of second handle axis cam is provided with square hole respectively, and the square hole on described first handle axis cam drives with described six types of severe debility disease
Moving axis coordinates, and the square hole on described second handle axis cam coordinates with described three pole drive shafts；Described first dropout driving lever and
Two dropout driving levers are arranged on housing by bearing pin, and the first dropout driving lever and the second dropout driving lever are rotationally connected with described bearing pin,
Described first dropout driving lever and the second dropout driving lever are arranged in chi structure on two levels, and cross point is positioned at described first-hand
Between arbor cam and described bearing pin or between described second handle axis cam and described bearing pin；Described first handle axis cam
The upper end contoured fit of outline and described first dropout driving lever, the outline of described second handle axis cam and described the
The upper end contoured fit of two dropout driving levers；On described first dropout driving lever, have the first contact pilotage be positioned at described bearing pin,
On described second dropout driving lever, being positioned at second contact pilotage that has of described bearing pin, described second contact pilotage extend into described star and connects
Inside the tripping mechanism of chopper, described first contact pilotage extend into inside the tripping mechanism of described corner connection chopper；Described second
Contact pilotage connects the dropout breaking of chopper for triggering described star, and described first contact pilotage is for triggering the dropout of described corner connection chopper
Breaking；Described transducer is additionally provided with manual jerk mechanism, and described manual jerk mechanism includes that scram button, scram button are locked
Ring and fork, described fork is fixed on housing by a pin, and one end of described scram button is positioned at the outside of described housing,
The other end of described scram button contacts with one end swing arm of described fork, and the other end swing arm of described fork is simultaneously with described the
The bottom contact of one dropout driving lever and the second dropout driving lever；Described first dropout driving lever, the second dropout driving lever and described fork
And it is equipped with tension spring between housing.
This utility model one three phase alternating current motor star angle switch starter, wherein, the lobe of described first handle axis cam
The bossing with described second handle axis cam is divided to be arranged symmetrically when installing, when described transducer is original state, institute
The bossing stating first handle axis cam oppresses the upper end of described first dropout driving lever, makes on described first dropout driving lever
Described first contact pilotage is in and limits the position that described corner connection closing of power circuit breaker closes a floodgate；Synchronization, described second handle axis cam
Female contact with the upper end of described second dropout driving lever, make at described second contact pilotage on described second dropout driving lever
In the position that described star is connect the unrestricted combined floodgate of chopper.
This utility model one three phase alternating current motor star angle switch starter, wherein, described manual jerk mechanism includes that flexible axle is tied
Structure, is arranged on described scram button and described scram button lock ring on the guidance panel of machine by flexible axle structure, described urgency
The other end stopping button is provided with the connecting rod that one end swing arm with described fork contacts.
This utility model one three phase alternating current motor star angle switch starter, wherein, the outfan of described master switch chopper
Being provided with three-phase current monitoring induction coil at wiring window, described induction coil coordinates described master switch chopper to motor electricity
Throat floater, phase shortage, three-phase current unbalance play monitoring and protective effect.
Compared with prior art, the beneficial effects of the utility model are:
1. simple in circuits, saves the set-up time of electrician.
2. save substantial amounts of noble silver, copper, silicon steel sheet etc..
3. save solenoid energy consumption.
4. saved device interior space.
5. general below 20A catalyst does not has spark blowout, this utility model scheme can evade arcing risk.
The most directly provide overload, short-circuit protection, it is not necessary to separately set chopper.
Accompanying drawing explanation
Fig. 1 is this utility model three-phase alternating-current motor star angle switch starter explosive view；
Fig. 2 is the structural representation of transducer in the switch starter of this utility model three-phase alternating-current motor star angle；
Fig. 3 is the internal structure axonometric chart of transducer shown in Fig. 2；
Fig. 4 is the internal structure side view of transducer shown in Fig. 3；
Fig. 5 is this utility model embodiment 1 automatically controlled three-phase alternating-current motor star angle switch starter schematic diagram；
Fig. 6 is this utility model embodiment 2 Non-follow control three-phase alternating-current motor star angle transition diagram；
Fig. 7 is this utility model three-phase alternating-current motor star angle switch starter electrical wiring schematic diagram；
Fig. 8 is star wiring schematic diagram in the switch starter of this utility model three-phase alternating-current motor star angle；
Fig. 9 is this utility model three-phase alternating-current motor star angle switch starter intermediate cam shape wiring schematic diagram.
In figure:
1-master switch chopper 2-star connects chopper 3-corner connection chopper
4-transducer 4a-first handle axis cam 4b-second handle axis cam
The 4c-first driving lever 4d-second that threads off threads off driving lever 4e-the first contact pilotage
4f-the second contact pilotage 4g-scram button 4h-scram button lock ring
The 4i-flexible axle structure 5-six types of severe debility disease automatically controlled driver of drive shaft 6-master
The 7-six types of severe debility disease co-acting lever 8-tri-pole automatically controlled driver of drive shaft 9-
10-tri-pole co-acting lever 11-electric current induction coil
Detailed description of the invention
Being described in further detail technical solutions of the utility model with specific embodiment below in conjunction with the accompanying drawings, described is concrete
This utility model is only explained by embodiment, not in order to limit this utility model.
It is several times as much as the phenomenon of rated current owing to heavy-duty motor can produce in the moment started, accordingly, it would be desirable to by motor winding
It is overlapped to form star (phase voltage) mode of connection temporarily and carries out low voltage starting, just then return to after waiting rotor smooth running
Normal triangle (line voltage) mode of connection enters high-pressure service.It is to utilize three that conventional star angle conversion starts motor scheme
Catalyst mutually overlaps, by the incompatible realization of logical groups of the electromagnetism pull-in winding of catalyst self.Of the present utility model set
Meter thinking is that application air-break is combined, it is achieved automatic turn of motor " low pressure Y startups/high pressure △ work operating "
Change method and specific embodiments.The three-phase alternating current that this utility model provides a kind of volume micro and Highgrade integration is electronic
Machine star angle switch starter.
As it is shown in figure 1, a kind of three phase alternating current motor star angle switch starter that the utility model proposes, the most empty including three group three
Gas chopper, described three group of three pole air-break is that master switch chopper 1, star connect chopper 2 and corner connection chopper 3 respectively,
Described star connects and is disposed with transducer 4 between chopper 2 and described corner connection chopper 3.
By a six types of severe debility disease drive shaft 5, described master switch chopper 1 and described star being connect chopper 2 to be concatenated, described master opens
Close chopper 1 and described star to connect the outside of chopper 2 and be provided with six types of severe debility disease co-acting lever 7, described master switch chopper 1 and described
Star connects and is not provided with dropout interlocking gear between chopper 2；By three grades of drive shafts 8, described corner connection chopper 3 is connected
Getting up, the outside of described corner connection chopper 3 is provided with three pole co-acting levers 10；One end of described six types of severe debility disease drive shaft is to described master
Till the outside of switch disconnector 1 (as shown in Figure 6), or one end of described six types of severe debility disease drive shaft is from described master switch chopper 1
After stretching out, driver 9 automatically controlled with described master is connected (as shown in Figure 1), and the other end of described six types of severe debility disease drive shaft 5 passes through described turn
Parallel operation 4 controls being switched on or switched off of described corner connection chopper 3；One end of described three pole drive shafts is to described corner connection chopper 3
Side till (as shown in Figure 6), or one end of described three pole drive shafts 8 from described corner connection chopper 3 stretch out after with automatically controlled
Driver 9 connects (as shown in Figure 1), and the other end of described three pole drive shafts 8 controls described star by described transducer 4 and connects
Being switched on or switched off of chopper 2.
Six types of severe debility disease drive shaft described in this utility model 5 and described three grades of drive shafts 8 are square shaft.
(Fig. 3, Fig. 4 are the difference of transducer 4 internal structure as in figure 2 it is shown, described transducer under being in original state 4
Visual angle schematic diagram) include that housing, described housing are divided into two levels in a thickness direction, one of them level is near described star
Connecing the side of chopper 2, another level is near the side of described corner connection chopper 3；First-hand arbor it is provided with in described housing
Cam 4a, second handle axis cam 4b, the first dropout driving lever 4c and the second dropout driving lever 4d；Described first handle axis cam
The center of rotation of 4a and second handle axis cam 4b is provided with square hole respectively, as it is shown in figure 1, described first handle axis cam 4a
On square hole coordinate with described six types of severe debility disease drive shaft 5, the square hole on described second handle axis cam 4b and described three pole drive shafts 8
Coordinate.
As in figure 2 it is shown, described first dropout driving lever 4c and the second dropout driving lever 4d is arranged on housing by a bearing pin O,
First dropout driving lever 4c and the second dropout driving lever 4d is rotationally connected with described bearing pin O, as shown in Figure 2, Figure 3 and Figure 4, and institute
Stating the first dropout driving lever 4c and the second dropout driving lever 4d to arrange in chi structure on two levels, cross point is positioned at described first
Between Handle axis cam 4a (or second handle axis cam 4b) and described bearing pin O, described first handle axis cam 4a is to lean on
Nearly star connects chopper 2 side, and described second handle axis cam 4b is proximate to corner connection chopper 3 side；In an initial condition,
The outline that protrudes of described first handle axis cam 4a oppresses the upper end of described first dropout driving lever 4c, described second-hand's arbor
The depressed area outline of cam 4b contacts with the upper end of described second dropout driving lever 4d, is formed without compressing；Described
On one dropout driving lever 4c, it is being positioned at the first contact pilotage 4e that has of described bearing pin, on described second dropout driving lever 4d, being positioned at
That states bearing pin has the second contact pilotage 4f, and described first dropout driving lever 4c and the second dropout driving lever 4d submits at two levels
After fork, the bottom of the first dropout driving lever 4c is proximate to corner connection chopper 3 side, and the bottom of the second dropout driving lever 4d is proximate to star
Connecing chopper 2 side, therefore, described second contact pilotage 4f extend into described star and connects inside the tripping mechanism of chopper 2, described
First contact pilotage 4e extend into inside the tripping mechanism of described corner connection chopper 3；Described first contact pilotage 4e is used for controlling described corner connection
Being switched on or switched off of chopper 3, described second contact pilotage 4f connects being switched on or switched off of chopper 2 for controlling described star.This reality
In novel, when the bossing of described first handle axis cam 4a and the bossing of described second handle axis cam 4b are installed
Being arranged symmetrically, when described transducer 4 is original state, the bossing compressing of described first handle axis cam 4a is described
First dropout driving lever 4c, forces described first contact pilotage 4e thereon to withstand the tripping mechanism of described corner connection chopper 3, makes corner connection
Chopper 3 can not do combined floodgate ON Action；Synchronization, the bossing of described second handle axis cam 4b does not oppress institute
Stating the second dropout driving lever 4d, described second contact pilotage 4f disengaging thereon connects contacting of chopper 2 tripping mechanism with described star, no
The combined floodgate turn-on action that star connects chopper 2 limits, and the arrangement of above-mentioned transducer 4 original state frame for movement ensure that
First star connects the order of corner connection again, effectively prevent manual maloperation.
As in figure 2 it is shown, described transducer 4 is additionally provided with manual jerk mechanism, described manual jerk mechanism includes scram button
4g, scram button lock ring 4h and fork, described fork is fixed on housing by a pin, the one of described scram button 4g
End is positioned at the outside of described housing, and the other end of described scram button 4g contacts with one end swing arm of described fork, described fork
Other end swing arm simultaneously with described first dropout driving lever 4c and the lower contacts of the second dropout driving lever 4d；Described manual jerk machine
Structure can also include flexible axle structure 4i, is pacified by described scram button 4g and described scram button lock ring 4h by flexible axle structure 4i
Being contained on the guidance panel of machine, the other end of described scram button 4g contacts with one end swing arm of described fork.Described jerk
The effect of button lock ring 4h is to occur, at machine, the situation of stopping in emergency, by described scram button when described scram button 4g presses
Lock ring pins, and described chopper all can not close a floodgate conducting, just can unlock recovery after pending fault eliminating.
In this utility model, described first dropout driving lever 4d, it is equipped with between the second dropout driving lever 4c and described fork and housing
Tension spring.
As it is shown in figure 1, in this utility model, be provided with three-phase at the wiring window of the outfan of described master switch chopper 1
Current monitoring induction coil 11, described induction coil 11 coordinate described master switch chopper 1 to current of electric exception, phase shortage,
Three-phase current unbalance rise monitoring and protective effect, when three electric current induction coils some, certain two or the most noninductive
At once, and when serious imbalance occurs in the electric current of sensing, main automatically controlled driver can trigger the transducer power-off of whole star angle automatically
Breaking.
The operation principle of this utility model a kind of three phase alternating current motor star angle switch starter is: in order to ensure patrolling of whole startup
The relation of collecting is correct, it may be assumed that the original state of trigger is the off-state of whole circuit；The order started must be first star
Shape connects Angle connection repeatedly, returns to original state after shutdown.As it is shown in figure 1, this utility model make use of master switch open circuit
Device 1 and star connect the handle integrative-structure design of chopper 2, are i.e. by described master switch inside it by a six types of severe debility disease drive shaft 5
Chopper 1 and described star connect chopper 2 and are concatenated, and form two groups of six types of severe debility disease choppers altogether, when wanting actuating motor, by
Main automatically controlled driver 6 drives six types of severe debility disease drive shaft or directly with hand propelled six types of severe debility disease co-acting lever 7, forms described master switch chopper 1
With described star connect chopper 2 linkage close a floodgate, as shown in Figure 7, Figure 8 and Figure 9, master switch chopper 1 by three-phase electricity A,
B, C are connected to the head end (U1, V1, W1) of three windings U, V, W of motor, and tail end (U2, V2, W2) is by star open circuit
Device 2 (Y MCB) short circuit, constitutes the low voltage starting star circuit connection mode of a standard；Meanwhile, described drive shaft 5
The protruding parts of first handle axis cam 4a and the upper end of the first dropout driving lever 4c is driven to disengage, the first dropout driving lever
The first contact pilotage 4e on 4c relieves the combined floodgate of diametrical connection chopper 3 and limits.When after rotor smooth running, corner connection open circuit
Device 3 (△ MCB) starts to close a floodgate, and corner connection chopper 3 is made up of three-pole breaker, and inside is also by three pole drive shafts
8 concatenations, after corner connection chopper 3 feed motion starts, described drive shaft 8 drives the protruding parts of second handle axis cam 4b
Starting to oppress the second dropout driving lever 4d upper end, the second contact pilotage 4f on the second dropout driving lever 4d starts to fire described star and connects disconnected
The tripping mechanism of road device 2, makes star connect chopper 2 and disconnects so that this utility model ensure that corner connection open circuit in frame for movement
Before splicing, star connects chopper 2 and disconnects in advance three pairs of contacts of device 3, and motor is at this moment through of short duration power-off inertia fortune
After row, corner connection chopper 3 is quickly connected, and motor enters normal high pressure (line voltage) operating condition.
The work process of this utility model three phase alternating current motor star angle switch starter is as follows:
1, motor Y-connection low voltage starting: master control driver 6 starts to drive six types of severe debility disease drive shaft 5 to rotate, or the most direct
Pulling six types of severe debility disease co-acting lever 7 to close a floodgate, main circuit is connected, three winding tail ends short circuit (linking together) of motor, and motor realizes
Y-connection low-pressure operation.Meanwhile, six types of severe debility disease drive shaft 5 drive first handle axis cam 4a (with Fig. 2 projecting direction as base
Plinth) positive hour hands rotation so that the protruding parts of first handle axis cam 4a is converted into first with the first contacting of dropout driving lever 4c
The depressed area of Handle axis cam 4a contacts with the first dropout driving lever 4c's, and described first dropout driving lever 4c is released from compressing,
First contact pilotage 4e returns to unlocked position (this unblock is that the releasing combined floodgate for corner connection chopper 3 limits).
2, motor is transformed into normal high pressure delta connection state: after motor low pressure Y-connection smooth running, automatically controlled
Driver 9 starts to drive three pole drive shafts 8 to rotate, or manually directly pulls three pole co-acting levers 10 and close a floodgate, with three poles connection
Three pole drive shafts 8 of fixed handle 10 linkage drive second handle axis cam 4b so that the protuberance of second handle axis cam 4b
Position presses the upper end of the second dropout driving lever 4d, causes the second contact pilotage 4f on described dropout driving lever 4d to trigger star and connects chopper
The tripping mechanism of 2, this moment, the feed motion of three pole co-acting levers 10 is still in the middle of the halfway of motion, but the second contact pilotage 4f is
Disconnect through star being connect the contact of chopper 2, although now motor winding loop is cut off, due to rotor and plant equipment
Effect of inertia, motor the most completely by inertia in operating, this of short duration power-off interval is necessary, from frame for movement
Ensure that the order of two kinds of winding connections.Motor is after of short duration power-off coasting, and quickly three pole co-acting levers 10 close a floodgate
Action is fully completed, and motor winding achieves triangle and connects, and motor enters normal high pressure corner connection running status.Here need
To be illustrated is, although this clock star connects chopper 2 breaking, but from the appearance less than handle breaking, its handle
Being to be connected as a single entity with master switch chopper 1, master switch chopper 1 is still within closing position, and this is owing to star connects chopper 2
And the interlocking mechanism that do not threads off between master switch chopper 1, even if described star connects chopper 2 and threads off breaking, master switch open circuit
It is the most only that inside contact disconnects that device 1 remains in that "on" position, described star connect the breaking of chopper 2.
3, motor shuts down: need to cut off motor power, this utility model when work stopping or machine run into emergency
Can be realized by several ways.The first, main automatically controlled driver 6 is internally provided with electromagnetic release mechanism, can be by having
Line or wireless stop button, trigger master switch chopper 1 electromagnetic trip breaking, simultaneously by six types of severe debility disease drive shaft 5, first-hand
Arbor cam 4a, the first dropout driving lever 4c, the first contact pilotage 4e, triggering corner connection chopper 3 tripping mechanism breaking together；Second
Kind, pressing manual scram button 4g or 4i, by pressing scram button 4g or 4i, promote fork, fork drives the simultaneously
One dropout driving lever 4d and the second dropout driving lever 4c rotates counterclockwise so that 4e and 4f on described dropout driving lever moves right,
Triggering star and connect chopper 2 and corner connection chopper 3 is threaded off breaking simultaneously, three winding circuits of motor are the most cut-off, and electric current senses
Coil 11 is non-inductive, and master control driver triggers master switch chopper 1 electromagnetic trip breaking automatically；The third, the most manually pull
Lower six types of severe debility disease co-acting lever 7, as it was previously stated, except described six grades of linked circuit breaker breaking itself, also by described six types of severe debility disease drive shaft
5, first handle axis cam 4a, the first dropout driving lever 4c, the first contact pilotage 4e, trigger described corner connection chopper 3 and thread off,
Make three groups of totally nine pole choppers whole breaking power-off eventually.
4, original state is recovered: through above-mentioned process 3, motor shuts down, and all choppers empty back into open position,
Now, the first handle axis cam 4a (based on Fig. 2 projecting direction) within transducer 4, by rotating counterclockwise, makes
The protruding parts of first handle axis cam 4a contacts with the first dropout driving lever 4c upper end and (i.e. oppresses the first dropout driving lever 4c
Position), the first contact pilotage 4e on the first dropout driving lever 4c moves right and returns to withstand the tripping mechanism of corner connection chopper 3, makes
Obtain corner connection chopper 3 can not close a floodgate in original state；In like manner, owing to corner connection chopper 3 has returned to open position, second-hand
Arbor cam 4b is by rotating counterclockwise so that the depressed area of second handle axis cam 4b and the second dropout driving lever 4d upper end
Portion contacts, and releases the compressing to the second dropout driving lever 4d, and the second contact pilotage 4f thereon, to moving to left, departs from and connects chopper 2 with star
The contact of tripping mechanism, thus when ensure that the next program of startup, must be master switch chopper 1 and star connects chopper 2
Link combined floodgate in advance.
This utility model gives the economical scheme removing automatically controlled (main automatically controlled driver 6 and automatically controlled driver 9) part,
As shown in Figure 6, completely by manual operation, carry out the conversion of star angle with vision.
Although being described this utility model above in conjunction with accompanying drawing, but this utility model is not limited to above-mentioned concrete
Embodiment, above-mentioned detailed description of the invention is only schematic rather than restrictive, the ordinary skill people of this area
Member is under enlightenment of the present utility model, in the case of without departing from this utility model objective, it is also possible to make many variations, this
Within belonging to protection of the present utility model.
Claims (6)
1. a three phase alternating current motor star angle switch starter, including three group of three pole air-break, described three group of three pole air
Chopper is that master switch chopper (1), star connect chopper (2) and corner connection chopper (3) respectively；It is characterized in that:
By a six types of severe debility disease drive shaft (5), described master switch chopper (1) and described star are connect chopper (2) to be concatenated,
Described master switch chopper (1) and described star connect the outside of chopper (2) and are provided with six types of severe debility disease co-acting lever (7), described master
Switch disconnector (1) and described star connect and are not provided with dropout interlocking gear between chopper (2)；
By one three grades drive shafts (8), described corner connection chopper (3) is together in series, outside described corner connection chopper (3)
Portion is provided with three pole co-acting levers (10)；
Described star connects and is disposed with transducer (4) between chopper (2) and described corner connection chopper (3)；
One end of described six types of severe debility disease drive shaft (5) to the outside of described master switch chopper (1), described six types of severe debility disease drive shaft
(5) the other end is connected with the first handle axis cam in described transducer (4)；
One end of described three pole drive shafts (8) to the side of described corner connection chopper (3), described three pole drive shafts (8)
The other end and described transducer (4) in second handle axis cam even.
Three phase alternating current motor star angle switch starter the most according to claim 1, it is characterised in that: this trigger also includes
It is arranged on the automatically controlled driver of the master (6) in described master switch chopper (1) outside and is arranged on described corner connection chopper (3) outward
The automatically controlled driver (9) of side；
Rear and the automatically controlled driver of described master (6) are stretched out from described master switch chopper (1) in one end of described six types of severe debility disease drive shaft (5)
Connect；Rear and described automatically controlled driving is stretched out in one end of described three pole drive shafts (8) from the outside of described corner connection chopper (3)
Device (9) connects.
A kind of three phase alternating current motor star angle the most according to claim 1 or claim 2 switch starter, it is characterised in that
Described six types of severe debility disease drive shaft (5) and described three grades of drive shafts (8) are square shaft；
Described transducer (4) includes that housing, described housing are divided into two levels in a thickness direction, and one of them level is close
Described star connects the side of chopper (2), and another level is near the side of described corner connection chopper (3)；Set in described housing
Described first handle axis cam (4a), described second handle axis cam (4b), the first dropout driving lever (4c) and second is had to thread off
Driving lever (4d)；Described first handle axis cam (4a) and the center of rotation side of being provided with respectively of second handle axis cam (4b)
Hole, the square hole on described first handle axis cam (4a) coordinates with described six types of severe debility disease drive shaft (5), described second handle crown of roll
Square hole on wheel (4b) coordinates with described three pole drive shafts (8)；
Described first dropout driving lever (4c) and the second dropout driving lever (4d) are arranged on housing by bearing pin (O), and first takes off
Button driving lever (4c) and the second dropout driving lever (4d) are rotationally connected with described bearing pin, described first dropout driving lever (4c) and second
Dropout driving lever (4d) is arranged in chi structure on two levels, and cross point is positioned at described Handle axis cam (4a) or (4b)
And between described bearing pin (O)；
The outline of described first handle axis cam (4a) and the upper end contoured fit of described first dropout driving lever (4c), institute
State the outline of second handle axis cam (4b) and the upper end contoured fit of described second dropout driving lever (4d)；Described
On one dropout driving lever (4c), have the first contact pilotage (4e), described second dropout driving lever be positioned at described bearing pin (O)
(4d) on, having the second contact pilotage (4f) be positioned at described bearing pin (O), described second contact pilotage (4f) extend into described
Star connects inside the tripping mechanism of chopper (2), and described first contact pilotage (4e) extend into the dropout of described corner connection chopper (3)
In-house；Described second contact pilotage (4f) is used for triggering described star and connects the dropout breaking of chopper (2), described first contact pilotage
(4e) it is used for triggering the dropout breaking of described corner connection chopper (3)；
Described transducer (4) is additionally provided with manual jerk mechanism, and described manual jerk mechanism includes scram button (4g), urgency
Stopping button lock ring (4h) and fork, described fork is fixed on housing by a pin, the one of described scram button (4g)
End is positioned at the outside of described housing, and the other end of described scram button (4g) contacts with one end swing arm of described fork, described
The other end swing arm of fork contacts with the bottom of described first dropout driving lever (4c) and the second dropout driving lever (4d) simultaneously；
Described first dropout driving lever (4c), between the second dropout driving lever (4d) and described fork and housing, it is equipped with tension spring.
A kind of three phase alternating current motor star angle switch starter, it is characterised in that described first-hand
The bossing of arbor cam (4a) and the bossing of described second handle axis cam (4b) are arranged symmetrically when installing, when
When described transducer (4) is original state, the bossing compressing described first of described first handle axis cam (4a) is threaded off
The upper end of driving lever (4c), makes described first contact pilotage (4e) on described first dropout driving lever (4c) be in the described angle of restriction
Connect chopper (3) and connect the position closed a floodgate；Synchronization, the female of described second handle axis cam (4b) is with described
The upper end contact of the second dropout driving lever (4d), makes described second contact pilotage (4f) place on described second dropout driving lever (4d)
In the position that described star is connect chopper (2) unrestricted combined floodgate.
A kind of three phase alternating current motor star angle switch starter, it is characterised in that described manual urgency
Stop mechanism includes flexible axle structure (4i), described scram button (4g) and described scram button is locked by flexible axle structure (4i)
Ring (4h) is arranged on the guidance panel of machine, and the other end of described scram button (4g) is provided with and one end of described fork
The connecting rod of swing arm contact.
Three phase alternating current motor star angle the most according to claim 1 or claim 2 switch starter, it is characterised in that described master switch
Three-phase current monitoring induction coil (11), described induction coil (11) it is provided with at the wiring window of the outfan of chopper (1)
Coordinate described master switch chopper (1) that current of electric exception, phase shortage, three-phase current unbalance are risen monitoring and protective effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620501350.0U CN205792316U (en) | 2016-05-27 | 2016-05-27 | Three phase alternating current motor star angle switch starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620501350.0U CN205792316U (en) | 2016-05-27 | 2016-05-27 | Three phase alternating current motor star angle switch starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205792316U true CN205792316U (en) | 2016-12-07 |
Family
ID=57407977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620501350.0U Withdrawn - After Issue CN205792316U (en) | 2016-05-27 | 2016-05-27 | Three phase alternating current motor star angle switch starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205792316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978406A (en) * | 2016-05-27 | 2016-09-28 | 天津加美特电气设备有限公司 | Star-angle conversion starter for three-phase alternating-current motor |
| CN108962694A (en) * | 2018-09-18 | 2018-12-07 | 天津加美特电气设备有限公司 | A kind of leakage circuit breakers by zero gesture mutual inductor inside multipole modular breaker |
-
2016
- 2016-05-27 CN CN201620501350.0U patent/CN205792316U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978406A (en) * | 2016-05-27 | 2016-09-28 | 天津加美特电气设备有限公司 | Star-angle conversion starter for three-phase alternating-current motor |
| WO2017202327A1 (en) * | 2016-05-27 | 2017-11-30 | 天津加美特电气设备有限公司 | Star-delta switching starter for three-phase alternating-current motor |
| CN105978406B (en) * | 2016-05-27 | 2018-06-01 | 天津加美特电气设备有限公司 | Three phase alternating current motor star angle switch starter |
| CN108962694A (en) * | 2018-09-18 | 2018-12-07 | 天津加美特电气设备有限公司 | A kind of leakage circuit breakers by zero gesture mutual inductor inside multipole modular breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180601 |